Multi-layer heat insulation fireproof door
By laying a deformation-proof layer in the middle of the door body of the multi-layer fire door, and adding fire-proof cotton layers, heat-insulating cotton layers, rock wool layers and steel and wood fire-proof doors on both sides, the existing fire-proof doors have been solved, and stronger deformation-resistant and fire-proof performance have been achieved, and sales prospects have been broadened.
Patent Information
- Application Number
- CN202421508183.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing multi-layer fire doors have poor deformation resistance and average fire resistance, which limits their sales prospects.
A multi-layer thermal insulation fire door is designed, with a deformation-proof layer arranged in the middle of the door body. The deformation-proof layer is composed of a bottom plate and a triangular steel frame. Fire-proof cotton layer, thermal insulation cotton layer, rock wool layer and steel-wood fire-proof door are added in sequence on both sides, and fire-proof coating is applied to the surface of the steel-wood fire-proof door.
It improves the deformation resistance and fire resistance of the fire door, enhances its practicality, and broadens sales prospects.
Smart Images
Figure CN222595928U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, in particular to a multi-layer heat-insulating fireproof door. Background Art
[0002] With the progress of society, people's fire protection awareness has gradually improved. Fire doors have become important fire protection equipment in the construction industry. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They are generally located between fire compartments, evacuation stairwells, and vertical shafts. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.
[0003] However, in order to reduce processing costs, existing multi-layer fire doors often use steel materials to make door frames, door leaf frames and door leaf panels, and fill the door leaves with fireproof and heat-insulating materials that are non-toxic and harmless to the human body, which makes the existing fire doors have poor deformation resistance; and the fireproof effect of existing fire doors is generally mediocre due to the single filling of fireproof and heat-insulating materials, which hinders the sales prospects of fire doors. Utility Model Content
[0004] The purpose of the utility model is to provide a multi-layer heat-insulating fireproof door, which has the advantages of strong deformation resistance and excellent fireproof effect, effectively improves the practicality of existing fireproof doors, broadens the sales prospects of existing fireproof doors, and solves the problems in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-layer heat-insulating fireproof door, comprising: a door body and a door frame, the door body being installed on the inner side of the door frame by a hinge, the door body comprising: a steel-wood fireproof door, a rock wool layer, a heat-insulating wool layer, a fireproof wool layer and an anti-deformation layer, the anti-deformation layer being placed in the middle of the door body, and the two sides of the anti-deformation layer being symmetrically connected with the fireproof wool layer, the heat-insulating wool layer, the rock wool layer and the steel-wood fireproof door in sequence.
[0006] Preferably, the anti-deformation layer comprises: a bottom plate and a triangular steel frame, and the upper end of the bottom plate is evenly distributed with the triangular steel frame.
[0007] Preferably, flame retardant sealing strips are provided at the edges around the door body, and the flame retardant sealing strips are made of graphite material and have a thickness of 1 cm-3 cm.
[0008] Preferably, the outer wall of the steel-wood fireproof door is coated with a fireproof paint for decorating the surface of the door body.
[0009] Preferably, screws are evenly distributed on the surfaces of the heat-insulating cotton layer and the fire-proof cotton layer, the heat-insulating cotton layer is connected to the rock wool layer through the screws, and the fire-proof cotton layer is connected to the anti-deformation layer through the screws.
[0010] Preferably, the door body is of a double-opening type, and two tempered glass windows are symmetrically arranged near the top of the door body, and a fireproof handle is arranged below one of the tempered glass windows.
[0011] Preferably, the rock wool layer is made of basalt material with a thickness of 3cm-5cm; the heat insulating wool layer is made of ceramic fiber material with a thickness of 0.5cm-1cm; the fireproof wool layer is made of iron-magnesium reinforced silicate fiber material with a thickness of 4cm-6cm.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model discloses a multi-layer heat-insulating fireproof door, which has an anti-deformation layer arranged in the middle of the door body, and the anti-deformation layer is composed of a bottom plate and a plurality of triangular steel frames. The triangle has stability, and the steel plate is made into a triangular shape and arranged in the middle of the door body structure, and the hardness of the steel plate itself and its triangular stability are utilized to increase the anti-deformation performance of the door body, so that the door body is not easily deformed when subjected to external force impact; at the same time, fireproof cotton layers, heat-insulating cotton layers, rock wool layers and steel-wood fireproof doors are sequentially arranged on both sides of the anti-deformation layer, and fire-retardant coatings are coated on the surfaces of the steel-wood fireproof doors, so as to increase the fireproof performance of the door body, thereby improving the practicability of the existing fireproof doors, and broadening the sales prospects of the existing fireproof doors. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is an overall schematic diagram of a multi-layer heat-insulating fireproof door of the utility model;
[0015] Figure 2 It is a side view schematic diagram of a multi-layer heat-insulating fireproof door of the utility model;
[0016] Figure 3 It is a front view schematic diagram of the rock wool layer and the heat insulation wool layer of the utility model;
[0017] Figure 4 For the utility model Figure 2 A magnified schematic diagram of the details;
[0018] Figure 5 It is a front view schematic diagram of the anti-deformation layer of the utility model.
[0019] In the figure: 1. Door body; 2. Door frame; 3. Steel-wood fire door; 4. Rock wool layer; 5. Thermal insulation wool layer; 6. Fireproof wool layer; 7. Anti-deformation layer; 8. Flame retardant sealing strip; 9. Screws; 11. Tempered glass window; 12. Fireproof handle; 31. Fireproof coating; 71. Base plate; 72. Triangular steel frame. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] In order to reduce the processing cost, the existing multi-layer fire doors are often made of steel materials to make the door frame, door leaf frame and door leaf panel, and the door leaf is filled with non-toxic and harmless fireproof and heat-insulating materials, which makes the existing fire doors have poor deformation resistance; and the fireproof effect of the existing fire doors is generally poor due to the single filling of fireproof and heat-insulating materials, which hinders the sales prospects of fire doors. Please refer to Figure 1-Figure 5 , this embodiment provides the following technical solutions:
[0022] A multi-layer heat-insulating fireproof door, comprising: a door body 1 and a door frame 2, the door body 1 is installed on the inner side of the door frame 2 through a hinge, the door body 1 is a double-opening type, and two tempered glass windows 11 are symmetrically arranged near the top of the door body 1, the tempered glass windows 11 can not only be used to observe indoor and outdoor conditions, but also the tempered glass has a certain heat resistance, can withstand high temperatures for a certain period of time, ensure the integrity and heat insulation performance of the fireproof door, and play an effective fireproof role; a fireproof handle 12 is arranged under one of the tempered glass windows 11, and the fireproof handle 12 is used to open and close the door body 1; flame-retardant sealing strips 8 are arranged on the edges around the door body 1, and the flame-retardant sealing strips 8 are made of graphite material, and the thickness is 1cm-3cm. The flame-retardant sealing strips 8 are not only highly heat-resistant, but also have a heat-resistant temperature of: high temperature 200-300℃, low temperature -40~60℃; and have strong flexibility, with a tensile strength of 309KPa and an elongation of 5.08%; flame retardant sealing strip 8 The door body 1 includes: a steel-wood fire door 3, a rock wool layer 4, a heat insulation wool layer 5, a fireproof wool layer 6 and an anti-deformation layer 7. The anti-deformation layer 7 is placed in the middle of the door body 1. The anti-deformation layer 7 includes: a bottom plate 71 and a triangular steel frame 72. The upper end of the bottom plate 71 is evenly distributed with a triangular steel frame 72. The triangular steel frame 72 is made of stamped steel plate and has a triangular shape. As is known to all, the triangle has stability, and the steel plate itself has a strong hardness. Therefore, the steel plate is made into a triangular shape and evenly distributed on the bottom plate 71 to form the anti-deformation layer 7. , thereby increasing the deformation resistance of the door body 1; the two sides of the anti-deformation layer 7 are symmetrically connected with a fireproof cotton layer 6, a heat-insulating cotton layer 5, a rock wool layer 4 and a steel-wood fireproof door 3 in sequence; the outer wall of the steel-wood fireproof door 3 is coated with a fireproof coating 31 for decorating the surface of the door body 1; the steel-wood fireproof door 3 is made of steel and flame-retardant wood materials to make a door frame 2, a door leaf skeleton, and a door leaf panel. Steel has the advantages of high strength, good heat resistance, and high thermal insulation performance, and is made of cold-rolled plates and hot-rolled plates; wood has the advantages of light texture and convenient construction, and is made of solid wood or plywood. Then, a fireproof treatment is performed on the surface, that is, a fireproof coating 31 can be applied to improve its fire resistance; so that it can play a good role in heat insulation and flame retardancy when a fire occurs, and can effectively delay the spread of fire and protect personal and property safety; screws 9 are evenly distributed on the surface of the heat insulation cotton layer 5 and the fireproof cotton layer 6, and the heat insulation cotton layer 5 is connected to the rock wool layer 4 through the screws 9, and the fireproof cotton layer 6 is connected to the anti-deformation layer 7 through the screws 9; wherein the rock wool layer 4 is made of basalt material, and its thickness is 3cm-5cm, and the rock wool layer 4 is made of high-quality basalt and white Marble is the main raw material. After being melted at a high temperature of more than 1450℃, it is centrifuged into fibers by a four-axis centrifuge at high speed. At the same time, a certain amount of binder, dust-proof oil, and water-repellent agent are sprayed in. It is collected by a cotton collector and solidified and cut after being laid by the pendulum method and three-dimensional cotton method to form rock wool products. It has the characteristics of good fireproof and heat insulation, low water absorption, and chemical stability. The heat insulation cotton layer 5 is made of ceramic fiber material with a thickness of 0.5cm-1cm; the fireproof cotton layer 6 is made of iron-magnesium reinforced silicate fiber material with a thickness of 4cm-6cm. .
[0023] Specifically, an anti-deformation layer 7 is arranged in the middle of the door body 1, and the anti-deformation layer 7 is composed of a base plate 71 and a plurality of triangular steel frames 72. The steel plate is punched into a triangular shape, and after being evenly distributed and laid on the base plate 71, it is arranged in the middle of the door body 1 structure. The hardness of the steel plate itself and the stability of its triangle are utilized to increase the anti-deformation performance of the door body 1, so that the door body 1 is not easily deformed when subjected to external force impact. At the same time, a fireproof cotton layer 6, a heat-insulating cotton layer 5, a rock wool layer 4 and a steel-wood fire door 3 are successively arranged on both sides of the anti-deformation layer 7, and a fireproof coating 31 is coated on the surface of the steel-wood fire door 3, thereby increasing the fireproof performance of the door body 1, thereby improving the practicability of the existing fire doors, and broadening the sales prospects of the existing fire doors.
[0024] The beneficial effects achieved by the above content are as follows: through the above method, the door body 1 is not easily deformed when it is hit by external force; at the same time, a fireproof cotton layer 6, a heat-insulating cotton layer 5, a rock wool layer 4 and a steel-wood fire door 3 are added, and a fire-retardant coating 31 is coated on the surface of the steel-wood fire door 3, thereby increasing the fireproof performance of the door body 1, thereby improving the practicability of the existing fire doors, and broadening the sales prospects of the existing fire doors.
[0025] Working principle: An anti-deformation layer 7 is arranged in the middle of the door body 1, and the anti-deformation layer 7 is composed of a bottom plate 71 and a plurality of triangular steel frames 72. The steel plate is made into a triangular steel frame and arranged in the middle of the door body 1 structure, and the hardness of the steel plate itself and the stability of its triangle are utilized to increase the anti-deformation performance of the door body 1. At the same time, a fireproof cotton layer 6, a heat-insulating cotton layer 5, a rock wool layer 4 and a steel-wood fire door 3 are successively arranged on both sides of the anti-deformation layer 7, and a fire-retardant coating 31 is coated on the surface of the steel-wood fire door 3, thereby increasing the fireproof performance of the door body 1.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multi-layer heat-insulating fire door, comprising: A door body (1) and a door frame (2), characterized in that: the door body (1) is mounted on the inner side of the door frame (2) by means of a hinge, the door body (1) comprises: a steel-wood fireproof door (3), a rock wool layer (4), a heat insulation cotton layer (5), a fireproof cotton layer (6) and an anti-deformation layer (7), the anti-deformation layer (7) being arranged in the middle of the door body (1), and the fireproof cotton layer (6), the heat insulation cotton layer (5), the rock wool layer (4) and the steel-wood fireproof door (3) being symmetrically connected to each other on both sides of the anti-deformation layer (7); The anti-deformation layer (7) comprises: a bottom plate (71) and a triangular steel frame (72), wherein the triangular steel frame (72) is evenly distributed on the upper end of the bottom plate (71).
2. A multi-layer thermal insulation fire door according to claim 1, characterized in that: Flame-retardant sealing strips (8) are arranged at the edges around the door body (1); the flame-retardant sealing strips (8) are made of graphite material and have a thickness of 1 cm to 3 cm.
3. A multi-layer thermal insulation fire door according to claim 1, characterized in that: The outer wall of the steel-wood fireproof door (3) is coated with a fireproof coating (31) for decorating the surface of the door body (1).
4. A multi-layer heat-insulating fireproof door according to claim 1, characterized in that: Screws (9) are evenly distributed on the surfaces of the heat-insulating cotton layer (5) and the fire-proof cotton layer (6); the heat-insulating cotton layer (5) is connected to the rock wool layer (4) via the screws (9); and the fire-proof cotton layer (6) is connected to the anti-deformation layer (7) via the screws (9).
5. The multi-layer heat-insulating fireproof door according to claim 1, characterized in that: The door body (1) is of a double-opening type, and two tempered glass windows (11) are symmetrically arranged near the top of the door body (1), and a fireproof handle (12) is arranged below one of the tempered glass windows (11).
6. The multi-layer heat-insulating fireproof door according to claim 1, characterized in that: The rock wool layer (4) is made of basalt material and has a thickness of 3 cm to 5 cm; the heat insulating wool layer (5) is made of ceramic fiber material and has a thickness of 0.5 cm to 1 cm; the fireproof wool layer (6) is made of iron-magnesium reinforced silicate fiber material and has a thickness of 4 cm to 6 cm.